Home / 53,666.85-80,537.18-18,606.50

Finding the Fourth Proportional to 53,666.85, 80,537.18 and 18,606.50

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Solution

The fourth proportional to 53,666.85, 80,537.18 and 18,606.50 is: 27,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,666.85 : 80,537.18 = 18,606.50 : x
  2. Step 2: Convert to fraction form
    53,666.85/80,537.18 = 18,606.50/x
  3. Step 3: Cross multiply
    53,666.85x = 80,537.18 × 18,606.50
  4. Step 4: Simplify right side
    53,666.85x = 1,498,515,124.81
  5. Step 5: Solve for x
    x = 1,498,515,124.81/53,666.85
  6. Step 6: Final answer
    x = 27,922.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.